Ametek JOFRA DTI050 A Reference Manual Download Page 32 | Manualshive

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32 31-08-2006

125821

00

LOCKOUT

Sending this command sets the lockout state, when the DTI050 is in
REMOTE or goes to remote it prohibits use of the keypad completely.
The lockout state can only be cleared by sending the LOCAL
command.

MV?

Returns the raw voltage value from a thermocouple.
For example:

If when measuring a type J at 0 degrees cel sending MV? would
return 0.00, MV .

OHMS?

Returns the raw Ohm value from a RTD.
For example:

If when measuring a P100-385 at 0 degrees cel sending OHMS?

would return 1.02, OHM .

REMOTE

Puts the DTI050 in remote mode. From the remote mode the user can still
use the keypad to get back to local unless the command LOCKOUT was
entered before REMOTE. Then the keypad is totally locked out and the user
has to send the LOCAL command to get back to local operation.

RTD_TYPE

Sets the RTD type. The following is a list of RTD types the way they should
be entered after the command:

P10(90)385 P50(90)385

P100(90)385

P200(90)385 P400(90)385

P500(90)385

P1K(90)385 P50(90)391

P100(90)391

P100(90)392 M10(90)427 M50(90)428
M100(90)428 H120(90)672

P100(90)JIS

For example:

RTD_TYPE P100(90)385 sets RTD type to PT100,

α

=385, ITS-90

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Summary of Contents for JOFRA DTI050 A

Page 1: ...Reference Manual Digital Temperature Indicator JOFRA DTI050 A B Copyright 2006 AMETEK Calibration Instruments ...

Page 2: ...accessories may be ordered from the list of accessories Safety symbols This manual contains a number of safety symbols designed to draw your attention to instructions which must be followed when using the indicator as well as any risks involved Warning Events which may compromise the safe use of the indicator and result in considerable personal or material damage Caution Events which may compromis...

Page 3: ...2 5 0 Remote operation 23 5 1 Remote interface 23 5 2 Setting up the RS232 port for remote control 23 5 3 Changing between remote and local operation 24 5 4 Using commands 25 5 4 1 Command types 25 5 4 2 Character processing 26 5 4 3 Response data types 26 5 4 4 Indicator status 27 5 5 Remote commands and error codes 27 5 6 Entering commands 30 5 6 1 Common commands 30 5 6 2 DTI050 commands 31 6 0...

Page 4: ...ment 4000 ohm range 39 7 2 2 5 Adjustment CJC ohm range 40 7 2 2 6 Adjustment 500000 ohm range 40 8 0 Maintenance 41 8 1 Replacing batteries 41 8 2 Cleaning the indicator 41 8 3 Service center calibration or repair 42 9 0 General specifications 44 10 0 List of accessories 51 ...

Page 5: ...acquired extensive knowledge of industrial temperature calibration This expertise is reflected in our products which are all designed for daily use in an industrial environment Please note that we would be very interested in hearing from you if you have any ideas or suggestions for changes to our products This reference manual applies to the following indicator Jofra DTI050 ISO 9001 certified Amet...

Page 6: ...delivery This warranty only covers defects in material and manufacture and becomes void if the indicator has been subject to unauthorised service repair and or misuse Contacting AMETEK US Canada Latin America AMETEK TCI at 1 800 527 9999 Europe Africa Middle East AMETEK Denmark A S at 45 4816 8000 Asia AMETEK Singapore Pte Ltd at 65 64 842 388 The product is manufactured by AMETEK DENMARK A S GYDE...

Page 7: ... Warning The indicator has been designed to calibrate and measure low voltage signals To ensure the safety of the operator and the indicator DO NOT connect the indicator to input voltages above 30 Volts To avoid possible electric shock or personal injury The indicator must not be used for any purposes other than those described in this manual Do not operate the indicator in environments of explosi...

Page 8: ...dicator if it is damaged Before you use the indicator inspect the case Look for cracks or missing plastic Make sure the battery cover is closed before you operate the indicator To avoid false readings which could lead to possible personal injury replace the battery as soon as the battery indicator appears To avoid personal injury or damage to the indicator use only the specified replacement parts ...

Page 9: ...jacks connectors function and range for your measurement To avoid damaging the plastic display and case do not use solvents or abrasive cleansers when cleaning the indicator Note The product liability only applies if the indicator is subject to a manufacturing defect This liability becomes void if the user fails to follow the maintenance instructions described in this manual or uses unauthorised s...

Page 10: ... the list shown below If any of the parts are missing or damaged please contact the dealer who sold you the indicator You should receive 1 DTI050 1 traceable certificate 1 reference manual 1 soft case and shoulder strap 1 RS 232 serial cable 1 9V battery 1 CD ROM containing the software package JOFRACAL RTD P100 90 385 TM UNITS FUNC TYPE HOLD MAX MIN CONFIG ENTER NEXT ...

Page 11: ...125821 00 31 08 2006 11 1 CD ROM containing the configuration software package CON050 When reordering please specify the part numbers according to the list of accessories section 10 0 ...

Page 12: ...or This connector is used for connecting temperature sensors to the DTI050 d Serial Interface This is used to interface to a computer or other devices e Power inlet This is the connection for the mains adapter f Keypad Used to control the DTI050 g Display Used to display temperature readings and other information RTD P100 90 385 4 1 5 2 3 TM UNITS FUNC TYPE HOLD MAX MIN CONFIG ENTER NEXT ...

Page 13: ...ons e FUNC Key This key is used to change functions from TC to mV etc This key has a second function CONFIG used to set DTI050 configurations and verify sensor settings f TYPE Key This key is for non intelligent sensors to change the TC type or RTD type This key has a secondary function as the ENTER key when setting configurations g HOLD Key This key is used to freeze the reading of the display Th...

Page 14: ...hen setting configurations 3 2 DTI050 display The main display consists of the following elements depicted below Fig 3 Pos Name Description c Primary Parameters Indicates the type of sensor being measured d Units Indicates the unit of measure for the display e Type Indicates the TC RTD or Thermistor type being measured non intelligent sensors f Display Status Indicates the status of the display if...

Page 15: ...ONFIG key for 3 seconds Use the arrow keys to make selections and the NEXT HOLD key to proceed to the next configuration display 3 2 1 1 Setting DTI050 configurations Setting auto shutdown Use the arrow keys to set the auto shutdown from 1 to 30 minutes Fig 4 To turn the auto shutdown off repeatedly press the down arrow until the display looks as depicted below Fig 5 MIN AUTO SHUTDOWN ON MIN AUTO ...

Page 16: ...lution used for temperature readings When you press the up arrow the number of zeros to the right of the decimal point will increase to a maximum of three Fig 6 Setting display contrast Use the arrow keys to set the display to the desired contrast Fig 7 SET RESOLUTION SET CONTRAST ...

Page 17: ...an be viewed in a series of screens within the configuration mode Some data is common to all sensors General TEDS Other data is specific to the type of sensor connected The General TEDS includes the following data Manufacturer ID Model number Version Serial number Template Each of the 3 sensor types TC RTD and Thermistor have there own TEDS format Relevant data for each format is displayed with un...

Page 18: ...eriod days MLID Measurement location ID RTD Displayed Description Units MIN TEMP Minimum temperature C MAX TEMP Maximum temperature C MIN OUTPUT Minimum electrical output Ω MAX OUTPUT Maximum electrical output Ω MAP METHOD Mapping method R0 Resistance R0 Ω A CVD coefficient A 1 C not displayed B CVD coefficient B 1 C 2 not displayed C CVD coefficient C 1 C 3 not displayed RTPW Resistance RTPW Ω AL...

Page 19: ...al output Ω MAX OUTPUT Maximum electrical output Ω MAP METHOD Mapping method R0 Resistance R0 Ω A Steinhart Hart coefficient A 1 C not displayed B Steinhart Hart coefficient B 1 C not displayed C Steinhart Hart coefficient C 1 C not displayed RESP TIME Sensor response time S EXI NOM Excitation current nom A EXI MAX Excitation current max A SELF HEAT Self heating constant W C not displayed CAL DATE...

Page 20: ... with non intelligent sensors The DTI050 supports measuring temperature with non intelligent TC RTD and Thermistor sensors Table 1 lists the available thermocouple types while table 2 lists the available RTD types Table 1 Built in TC curves TC_type B C E J K L N R S T U BP XK ...

Page 21: ... with TC RTD or Thermistor For thermocouple sensors the TYPE key can be used to select the sensor s TC type Cold junction compensation CJC can be turned on or off depending on whether the sensor is equipped with built in compensation or you wish to provide it externally For RTD sensors the TYPE key can be used to select the sensor s RTD type For non intelligent Thermistor sensors only YSI 400 is a...

Page 22: ...lt in CJC sensor Note Make sure to allow proper settling time for thermocouples before taking readings 4 3 Measuring Ohms The resistance of RTD and Thermistor sensors can be measured in ohms by selecting ohms with the FUNC key When an intelligent sensor is connected ohms will only be available for RTD and Thermistor type sensor 4 4 Measuring mV The mV output of TC sensors can be measured by select...

Page 23: ...minal to enter single commands 5 2 Setting up the RS232 port for remote control Note The RS232 connection cable should not exceed 15m unless the load capacitance measured at connection points is less than 2500pF Serial parameter values 9600 baud 8 data bits no parity 1 stop bit Xon Xoff To set up remote operation of the indicator on the Windows Hyper Terminal connect the indicator to a COM port on...

Page 24: ...ands may be entered using the keypad on the indicator or using a computer In Remote mode the keypad is disabled and commands may only be entered using a computer but choosing GO TO LOCAL from the menu on the indicator display will restore keypad operation In Remote with Lockout the keypad can not be used at all To switch modes proceed as follows 1 To enable Remote mode type in the serial command R...

Page 25: ...mple VAL asks for the values displayed on the indicator display Common commands Standard commands used by most devices These commands always begin with an For example IDN tells the indicator to return its identification Query commands Commands that ask for information they always end with a For example FUNC Returns the current modes of the indicator displays Compound commands Commands that contain...

Page 26: ...the indicator can be divided into four types Integer For most computers and controllers they are decimal numbers ranging from 32768 to 32768 For example FAULT could return 110 Refer to the Error codes table for more information on error codes Floating Floating numbers have up to 15 significant figures and exponents For example P_CVD_A returns 3 908300E 03 Character response data CRD Data returned ...

Page 27: ...50 characters The characters are processed on a first in first out basis 5 5 Remote commands and error codes The following tables list all commands and their descriptions that are accepted by the indicator Common commands table 3 Command Description CLS Clear status Clears the error queue IDN Identification query Returns the manufacturer model number and firmware revision level of the indicator RS...

Page 28: ...rs RTD_TYPE Returns the RTD type for non intelligent sensors TC_TYPE Sets the TC type for non intelligent sensors TC_TYPE Returns the TC type for non intelligent sensors TEMP_RES Sets the display resolution of the DTI050 for temperature read outs TEMP_RES Returns the display resolution of the DTI050 for temperature read outs TEMP_UNIT Sets the temperature units of the DTI050 for temperature read o...

Page 29: ...mber Error description 100 A non numeric entry was received where it should be a numeric entry 101 Too many digits entered 102 Invalid units or parameter value received 103 Entry is above the upper limit of the allowable range 104 Entry is below the lower limit of the allowable range 105 A required command parameter was missing 106 An invalid command parameter was received 108 Invalid sensor type ...

Page 30: ...are sequential any overlapped commands will be indicated as such This section will briefly explain each of the commands and describe their general use which will include any parameters that may be entered with the command as well as what the output of the command is 5 6 1 Common commands CLS Clears the error queue Also terminates all pending operations When writing programs use before each procedu...

Page 31: ...command being received Refer to the Error codes table for more information on error code numbers FUNC Sets the DTI050 to the mode indicated in the argument The following is a list of valid arguments RTD THERM OHMS TC MV For example To set the DTI050 into RTD mode send FUNC RTD FUNC Returns the current mode of the DTI050 For example if the DTI050 is set to RTD FUNC Would return RTD LOCAL Restores t...

Page 32: ...el sending OHMS would return 1 000000E 02 OHM REMOTE Puts the DTI050 in remote mode From the remote mode the user can still use the keypad to get back to local unless the command LOCKOUT was entered before REMOTE Then the keypad is totally locked out and the user has to send the LOCAL command to get back to local operation RTD_TYPE Sets the RTD type The following is a list of RTD types the way the...

Page 33: ...S 90 RTD_TYPE Will return P100 90 385 TC_TYPE Sets the TC type The following is a list of TC types the way they should be entered after the command B C E J K L N R S T U BP XK For example TC_TYPE J sets the TC type to J TC_TYPE Returns the TC type For example If the TC type is J TC_TYPE Will return J ...

Page 34: ...ll return 3 TEMP_UNIT This command is used to change the temperature unit used when measuring temperature The argument is the unit either KEL for Kelvin CEL for Celsius or FAR for Fahrenheit For example To set the temperature unit to Fahrenheit on the lower display send TEMP_UNIT FAR TEMP_UNIT Returns the temperature unit KEL CEL or FAR used when measuring RTDs VAL Returns the value of the measure...

Page 35: ...figuration software CON050 supplied with DTI050 to program and to update calibration information in intelligent sensors For instructions read the software manual for CON050 installed on the CD ROM Latest version of CON050 and the manual can be downloaded form www jofra com ...

Page 36: ...cedure Pin numbering The pin layout is as follows Pin 1 RTD I CJC Pt1000 Pin 2 RTD S TC V Pin 3 RTD S TC V Pin 4 RTD I CJC Pt1000 Pin 5 Memory GND Pin 6 Memory I O The figure below is shown from the wire side of the sensor connector 1 6 5 4 3 2 ...

Page 37: ...nnect the indicator to a COM port on the PC and use the following procedure 1 Start Hyper Terminal located in Accessories Communications of the Windows Start menu 2 Select New Connection 3 For Name enter DTI050 Select the serial port that the indicator is connected to 4 Enter the above information for port settings 5 Select ASCII setup from File Properties Settings and mark these choices Echo type...

Page 38: ...use of Windows hyperterminal or similar communication software Allow 15 min warm up time before start of adjustment 7 2 2 1 Setting up for adjustment 1 Send command RST to reset the unit 2 Send command P_UPLOAD_OFF to disable upload of data from the intelligent sensor connector 7 2 2 2 Adjustment 0 78 mV range 1 Connect voltage source to DTI050 Voltage source terminal are connected to terminal 3 o...

Page 39: ... ohm reference resistor to DTI050 8 Send command CAL_POINT 0 9 Connect 100 ohm reference resistor to DTI050 10 Send command CAL_POINT 1 11 Connect 400 ohm reference resistor to DTI050 12 Send command CAL_POINT 2 7 2 2 4 Adjustment 4000 ohm range 1 Connect the reference resistor to terminal 3 S 4 I 2 S and 1 I 2 Send command FUNC MED_OHMS 3 Send command NUM_CALP 2 4 Send command REF 0 400 000 Repla...

Page 40: ... 9 Send command CAL_POINT 1 7 2 2 6 Adjustment 500000 ohm range 1 Connect the reference resistor to terminal 3 S 4 I 2 S and 1 I 2 Send command FUNC HI_OHMS 3 Send command NUM_CALP 3 4 Send command REF 0 100 000 Replace 100 000 with actual resistor value 5 Send command REF 1 300000 000 Replace 300000 000 with actual resistor value 6 Send command REF 2 500000 000 Replace 500000 000 with actual resi...

Page 41: ...kage Note Use only AA size alkaline batteries or optional rechargeable battery pack 8 2 Cleaning the indicator Warning To avoid personal injury or damage to the indicator use only the specified replacement parts and do not allow water into the case Caution To avoid damaging the plastic display and case do not use solvents or abrasive cleansers Clean the outer surface of the indicator with a soft c...

Page 42: ...lowing page and fill in the required information Be sure to pack the indicator securely using the original shipping container if it is available Note If the software detects an error during operation the error will be shown in the display Make a note of the error message and contact your distributor or AMETEK Denmark s service department AMETEK Denmark s liability ceases if parts are replaced repa...

Page 43: ..._____________ Temp Sensor Service request This indicator is sent for calibration input please tick off ___ Calibration as left ___ Check ___ Calibration as found and as left ___ Service ___ Accredited calibration as left ___ Repair ___ Accredited calibration as found and as left ___________________________________________________________________ Diagnosis data cause for return Diagnosis fault desc...

Page 44: ... 7 Absolute uncertainty tcal 5 C reading floor Ranges 1 year Resolution 0 400 Ohms 0 004 0 002 Ohms 0 001 400 4000 Ohms 0 004 0 02 Ohms 0 01 0 200 Kohms 0 02 2 0 Ohms 1Ohm 200Kohms 500 Kohms 0 03 1Ohm mVolts specifications table 8 Absolute uncertainty tcal 5 C reading floor Ranges 1 year Resolution 10 mV 75 mV 0 005 5uV 0 001 ...

Page 45: ...100 418 148 0 47 0 84 100 25 148 13 0 10 0 19 25 350 13 662 0 11 0 20 350 650 662 1202 0 09 0 17 650 1000 1202 1832 0 12 0 21 J 210 100 346 148 0 24 0 43 100 30 148 22 0 12 0 21 30 150 22 302 0 11 0 20 150 760 302 1400 0 13 0 23 760 1200 1400 2192 0 15 0 27 K 200 100 328 148 0 31 0 56 100 25 148 13 0 16 0 28 25 120 13 248 0 14 0 25 120 1000 248 1832 0 18 0 33 1000 1372 1832 2502 0 23 0 41 L 200 10...

Page 46: ... 1000 482 1832 0 62 1 12 1000 1400 1832 2552 0 50 0 89 1400 1767 2552 3213 0 57 1 03 T 250 150 418 238 0 74 1 33 150 0 238 32 0 21 0 38 0 120 32 248 0 14 0 24 120 400 248 752 0 13 0 23 U 200 0 328 32 0 52 0 94 0 600 32 1112 0 25 0 45 BP 0 200 32 392 0 40 0 72 200 600 392 1112 0 30 0 54 600 800 1112 1472 0 38 0 68 800 1600 1472 2912 0 44 0 79 1600 2000 2912 3632 0 56 1 01 2000 2500 3632 4532 0 78 1...

Page 47: ...ohm 200 80 328 112 0 02 0 03 80 0 112 32 0 03 0 05 0 100 32 212 0 03 0 05 100 300 212 572 0 04 0 06 300 400 572 752 0 04 0 07 400 630 752 1166 0 05 0 10 630 800 1166 1472 0 06 0 11 PT385 100 ohm 200 80 328 112 0 01 0 02 80 100 112 212 0 02 0 04 100 300 212 572 0 03 0 05 300 400 572 752 0 03 0 06 400 630 752 1166 0 05 0 08 630 800 1166 1472 0 06 0 10 PT3926 100 ohm 200 80 328 112 0 01 0 02 80 0 112...

Page 48: ...m 200 190 328 310 0 01 0 02 190 80 310 112 0 02 0 03 80 0 112 32 0 02 0 04 0 100 32 212 0 02 0 04 100 260 212 500 0 03 0 06 260 300 500 572 0 03 0 06 300 400 572 752 0 04 0 07 400 800 752 1472 0 06 0 11 PT385 200 ohm 200 80 328 112 0 03 0 06 80 0 112 32 0 04 0 06 0 100 32 212 0 04 0 07 100 260 212 500 0 04 0 08 260 300 500 572 0 05 0 10 300 400 572 752 0 06 0 10 400 630 752 1166 0 08 0 14 PT385 40...

Page 49: ...0 01 0 02 80 0 112 32 0 02 0 03 0 100 32 212 0 02 0 04 100 260 212 500 0 03 0 05 260 300 500 572 0 03 0 05 300 400 572 752 0 03 0 06 400 630 752 1166 0 05 0 08 NI120 672 80 260 112 500 0 01 0 02 NI100 617 60 179 76 354 2 0 01 0 02 JIS 200 190 328 310 0 01 0 01 190 80 310 112 0 01 0 02 80 0 112 32 0 02 0 03 0 100 32 212 0 02 0 04 100 260 212 500 0 03 0 05 260 300 500 572 0 03 0 05 300 400 572 752 0...

Page 50: ...second Batteries 1 x 9VDC Alkaline Low Battery Indicator at 6V Temperature performance for temperatures outside tcal 5 C is 10ppm C EMC CE Conforms to EN 61326 Light industry level Battery Life minimum 10 hrs Operating Temperature 10 to 50 C 14 to 122 F Storage Temp 20 to 60 C 4 to 140 F Size 188mm x 84 mm x52mm 7 37 in x 3 31in x 2 05 in Weight 400g 14 1 oz ...

Page 51: ...with Pt100 and cross grip in stainless steel 100mm ø3mm 50 to 250 C 125711 Needle sensor with Pt100 and handle 100mm ø3mm 50 to 250 C 125712 Universal sensor with TC K and handle 150mm ø1 5mm max 850 C 125713 Universal sensor with TC K and handle 150mm ø3mm max 1000 C 125714 Air room sensor with TC K and handle 100mm ø6mm max 250 C 125715 Needle sensor with TC K and cross grip in stainless steel 1...

Page 52: ...ation software 125844 DTI050 connection accessories Connector for RTD sensors without intelligence 125702 Connector for RTD sensors with intelligence 125703 Connector for TC sensors without intelligence 125759 Connector for TC sensors with intelligence 125704 2 m adaptor cable to LEMO connector with intelligence for use with STS 100 and STS 102 sensors 125522 2 m adaptor cable to Banana connectors...

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